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Morioka, Japan climate
Cfa Humid subtropical
Morioka has a strongly seasonal cool-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is August with an average daily high near 28°C, while the coldest is January averaging around −5°C at night. Precipitation totals about 1280 mm a year and is strongly seasonal — July alone averages 198 mm while February barely receives 48 mm.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresHours of sunshine per day
Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)Morioka climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 2 | 3 | 8 | 14 | 20 | 24 | 27 | 28 | 24 | 18 | 11 | 5 |
| Avg temp (°C) | −2 | −1 | 3 | 9 | 15 | 19 | 22 | 24 | 19 | 13 | 6 | 1 |
| Avg low (°C) | −5 | −5 | −2 | 3 | 9 | 14 | 19 | 20 | 15 | 8 | 2 | −3 |
| Precipitation (mm) | 49 | 48 | 82 | 85 | 107 | 109 | 198 | 185 | 152 | 109 | 86 | 70 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 2 | 3 | 8 | 14 | 20 | 24 |
| Avg temp (°C) | −2 | −1 | 3 | 9 | 15 | 19 |
| Avg low (°C) | −5 | −5 | −2 | 3 | 9 | 14 |
| Precipitation (mm) | 49 | 48 | 82 | 85 | 107 | 109 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 27 | 28 | 24 | 18 | 11 | 5 |
| Avg temp (°C) | 22 | 24 | 19 | 13 | 6 | 1 |
| Avg low (°C) | 19 | 20 | 15 | 8 | 2 | −3 |
| Precipitation (mm) | 198 | 185 | 152 | 109 | 86 | 70 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 67 | 67 | 70 | 69 | 71 | 76 | 80 | 73 | 74 | 68 | 67 | 70 |
| Relative humidity (%) | 95 | 95 | 88 | 82 | 81 | 83 | 86 | 86 | 87 | 86 | 89 | 92 |
| Wind speed (m/s) | 0.8 | 1.1 | 0.9 | 0.4 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 67 | 67 | 70 | 69 | 71 | 76 |
| Relative humidity (%) | 95 | 95 | 88 | 82 | 81 | 83 |
| Wind speed (m/s) | 0.8 | 1.1 | 0.9 | 0.4 | 0.1 | 0.1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 80 | 73 | 74 | 68 | 67 | 70 |
| Relative humidity (%) | 86 | 86 | 87 | 86 | 89 | 92 |
| Wind speed (m/s) | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.3 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Morioka, about 1 km from the city centre.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.